diff options
Diffstat (limited to 'reader/src/formats/pdf')
| -rw-r--r-- | reader/src/formats/pdf/PdfBookReader.cpp | 261 | ||||
| -rw-r--r-- | reader/src/formats/pdf/PdfBookReader.h | 52 | ||||
| -rw-r--r-- | reader/src/formats/pdf/PdfDescriptionReader.cpp | 29 | ||||
| -rw-r--r-- | reader/src/formats/pdf/PdfDescriptionReader.h | 40 | ||||
| -rw-r--r-- | reader/src/formats/pdf/PdfObject.cpp | 450 | ||||
| -rw-r--r-- | reader/src/formats/pdf/PdfObject.h | 201 | ||||
| -rw-r--r-- | reader/src/formats/pdf/PdfPlugin.cpp | 42 | ||||
| -rw-r--r-- | reader/src/formats/pdf/PdfPlugin.h | 41 | ||||
| -rw-r--r-- | reader/src/formats/pdf/StringStream.cpp | 55 | ||||
| -rw-r--r-- | reader/src/formats/pdf/StringStream.h | 44 |
10 files changed, 0 insertions, 1215 deletions
diff --git a/reader/src/formats/pdf/PdfBookReader.cpp b/reader/src/formats/pdf/PdfBookReader.cpp deleted file mode 100644 index bd84452..0000000 --- a/reader/src/formats/pdf/PdfBookReader.cpp +++ /dev/null @@ -1,261 +0,0 @@ -/* - * Copyright (C) 2004-2012 Geometer Plus <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include <cstdlib> -#include <iostream> - -#include <ZLStringUtil.h> -#include <ZLInputStream.h> - -#include "PdfBookReader.h" -#include "PdfObject.h" -#include "../../bookmodel/BookModel.h" - -static void readLine(ZLInputStream &stream, std::string &buffer) { - buffer.clear(); - char ch; - while (1) { - if (stream.read(&ch, 1) != 1) { - return; - } - if ((ch == 10) || (ch == 13)) { - if (!buffer.empty()) { - return; - } - } else { - buffer += ch; - } - } -} - -PdfBookReader::PdfBookReader(BookModel &model) : myModelReader(model) { -} - -PdfBookReader::~PdfBookReader() { -} - -shared_ptr<PdfObject> PdfBookReader::readObjectFromLocation(ZLInputStream &stream, const std::pair<int,int> &address) { - std::map<std::pair<int,int>,int>::const_iterator jt = myObjectLocationMap.find(address); - if (jt == myObjectLocationMap.end()) { - return 0; - } - stream.seek(jt->second, true); - char ch = 0; - PdfObject::readToken(stream, myBuffer, ch); - if (address.first != atoi(myBuffer.c_str())) { - return 0; - } - PdfObject::readToken(stream, myBuffer, ch); - if (address.second != atoi(myBuffer.c_str())) { - return 0; - } - PdfObject::readToken(stream, myBuffer, ch); - if (myBuffer != "obj") { - return 0; - } - return PdfObject::readObject(stream, ch); -} - -shared_ptr<PdfObject> PdfBookReader::resolveReference(shared_ptr<PdfObject> ref, ZLInputStream &stream) { - if (ref.isNull() || (ref->type() != PdfObject::REFERENCE)) { - return ref; - } - const PdfObjectReference &reference = (const PdfObjectReference&)*ref; - const std::pair<int,int> address(reference.number(), reference.generation()); - std::map<std::pair<int,int>,shared_ptr<PdfObject> >::const_iterator it = myObjectMap.find(address); - if (it != myObjectMap.end()) { - return it->second; - } - std::map<std::pair<int,int>,int>::const_iterator jt = myObjectLocationMap.find(address); - shared_ptr<PdfObject> object = readObjectFromLocation(stream, address); - myObjectMap.insert(std::make_pair(address, object)); - return object; -} - -static void stripBuffer(std::string &buffer) { - int index = buffer.find('%'); - if (index >= 0) { - buffer.erase(index); - } - ZLStringUtil::stripWhiteSpaces(buffer); -} - -bool PdfBookReader::readReferenceTable(ZLInputStream &stream, int xrefOffset) { - while (true) { - stream.seek(xrefOffset, true); - readLine(stream, myBuffer); - stripBuffer(myBuffer); - if (myBuffer != "xref") { - return false; - } - - while (true) { - readLine(stream, myBuffer); - stripBuffer(myBuffer); - if (myBuffer == "trailer") { - break; - } - const int index = myBuffer.find(' '); - const int start = atoi(myBuffer.c_str()); - const int len = atoi(myBuffer.c_str() + index + 1); - for (int i = 0; i < len; ++i) { - readLine(stream, myBuffer); - stripBuffer(myBuffer); - if (myBuffer.length() != 18) { - return false; - } - const int objectOffset = atoi(myBuffer.c_str()); - const int objectGeneration = atoi(myBuffer.c_str() + 11); - const bool objectInUse = myBuffer[17] == 'n'; - if (objectInUse) { - myObjectLocationMap[std::make_pair(start + i, objectGeneration)] = objectOffset; - } - } - } - char ch = 0; - shared_ptr<PdfObject> trailer = PdfObject::readObject(stream, ch); - if (trailer.isNull() || (trailer->type() != PdfObject::DICTIONARY)) { - return false; - } - if (myTrailer.isNull()) { - myTrailer = trailer; - } - PdfDictionaryObject &trailerDictionary = (PdfDictionaryObject&)*trailer; - shared_ptr<PdfObject> previous = trailerDictionary["Prev"]; - if (previous.isNull()) { - return true; - } - - if (previous->type() != PdfObject::INTEGER_NUMBER) { - return false; - } - xrefOffset = ((PdfIntegerObject&)*previous).value(); - } -} - -bool PdfBookReader::readBook(shared_ptr<ZLInputStream> stream) { - if (stream.isNull() || !stream->open()) { - return false; - } - - readLine(*stream, myBuffer); - if (!ZLStringUtil::stringStartsWith(myBuffer, "%PDF-")) { - return false; - } - - std::string version = myBuffer.substr(5); - std::cerr << "version = " << version << "\n"; - - std::size_t eofOffset = stream->sizeOfOpened(); - if (eofOffset < 100) { - return false; - } - - stream->seek(eofOffset - 100, true); - bool readXrefOffset = false; - std::size_t xrefOffset = (std::size_t)-1; - while (true) { - readLine(*stream, myBuffer); - if (myBuffer.empty()) { - break; - } - stripBuffer(myBuffer); - if (readXrefOffset) { - if (!myBuffer.empty()) { - xrefOffset = atoi(myBuffer.c_str()); - break; - } - } else if (myBuffer == "startxref") { - readXrefOffset = true; - } - } - - if (!readReferenceTable(*stream, xrefOffset)) { - return false; - } - - PdfDictionaryObject &trailerDictionary = (PdfDictionaryObject&)*myTrailer; - shared_ptr<PdfObject> root = resolveReference(trailerDictionary["Root"], *stream); - if (root.isNull() || (root->type() != PdfObject::DICTIONARY)) { - return false; - } - - PdfDictionaryObject &rootDictionary = (PdfDictionaryObject&)*root; - if (rootDictionary["Type"] != PdfNameObject::nameObject("Catalog")) { - return false; - } - shared_ptr<PdfObject> pageRootNode = resolveReference(rootDictionary["Pages"], *stream); - if (pageRootNode.isNull() || (pageRootNode->type() != PdfObject::DICTIONARY)) { - return false; - } - PdfDictionaryObject &pageRootNodeDictionary = (PdfDictionaryObject&)*pageRootNode; - if (pageRootNodeDictionary["Type"] != PdfNameObject::nameObject("Pages")) { - return false; - } - - /* - shared_ptr<PdfObject> count = pageRootNodeDictionary["Count"]; - if (!count.isNull() && (count->type() == PdfObject::INTEGER_NUMBER)) { - std::cerr << "count = " << ((PdfIntegerObject&)*count).value() << "\n"; - } - */ - shared_ptr<PdfObject> pages = pageRootNodeDictionary["Kids"]; - if (pages.isNull() || (pages->type() != PdfObject::ARRAY)) { - return false; - } - const PdfArrayObject& pagesArray = (const PdfArrayObject&)*pages; - const std::size_t pageNumber = pagesArray.size(); - for (std::size_t i = 0; i < pageNumber; ++i) { - processPage(pagesArray[i], *stream); - } - - return true; -} - -void PdfBookReader::processContents(shared_ptr<PdfObject> contentsObject, ZLInputStream &stream) { - contentsObject = resolveReference(contentsObject, stream); -} - -void PdfBookReader::processPage(shared_ptr<PdfObject> pageObject, ZLInputStream &stream) { - pageObject = resolveReference(pageObject, stream); - if (pageObject.isNull() || pageObject->type() != PdfObject::DICTIONARY) { - return; - } - const PdfDictionaryObject &pageDictionary = (const PdfDictionaryObject&)*pageObject; - shared_ptr<PdfObject> contents = pageDictionary["Contents"]; - if (contents.isNull()) { - return; - } - switch (contents->type()) { - default: - break; - case PdfObject::REFERENCE: - processContents(contents, stream); - break; - case PdfObject::ARRAY: - { - const PdfArrayObject &array = (const PdfArrayObject&)*contents; - const std::size_t len = array.size(); - for (std::size_t i = 0; i < len; ++i) { - processContents(array[i], stream); - } - break; - } - } -} diff --git a/reader/src/formats/pdf/PdfBookReader.h b/reader/src/formats/pdf/PdfBookReader.h deleted file mode 100644 index 9488dcf..0000000 --- a/reader/src/formats/pdf/PdfBookReader.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Copyright (C) 2004-2012 Geometer Plus <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#ifndef __PdfBOOKREADER_H__ -#define __PdfBOOKREADER_H__ - -#include <map> - -#include "../../bookmodel/BookReader.h" - -class PdfObject; -class PdfObjectReference; - -class PdfBookReader { - -public: - PdfBookReader(BookModel &model); - ~PdfBookReader(); - bool readBook(shared_ptr<ZLInputStream> stream); - -private: - bool readReferenceTable(ZLInputStream &stream, int offset); - shared_ptr<PdfObject> resolveReference(shared_ptr<PdfObject> reference, ZLInputStream &stream); - shared_ptr<PdfObject> readObjectFromLocation(ZLInputStream &stream, const std::pair<int,int> &address); - void processPage(shared_ptr<PdfObject> pageObject, ZLInputStream &stream); - void processContents(shared_ptr<PdfObject> contentsObject, ZLInputStream &stream); - -private: - BookReader myModelReader; - std::string myBuffer; - std::map<std::pair<int,int>,int> myObjectLocationMap; - std::map<std::pair<int,int>,shared_ptr<PdfObject> > myObjectMap; - shared_ptr<PdfObject> myTrailer; -}; - -#endif /* __PdfBOOKREADER_H__ */ diff --git a/reader/src/formats/pdf/PdfDescriptionReader.cpp b/reader/src/formats/pdf/PdfDescriptionReader.cpp deleted file mode 100644 index 98937fa..0000000 --- a/reader/src/formats/pdf/PdfDescriptionReader.cpp +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Copyright (C) 2004-2012 Geometer Plus <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include <ZLInputStream.h> - -#include "PdfDescriptionReader.h" - -PdfDescriptionReader::PdfDescriptionReader(Book &book) : myBook(book) { -} - -bool PdfDescriptionReader::readMetaInfo(shared_ptr<ZLInputStream> stream) { - return true; -} diff --git a/reader/src/formats/pdf/PdfDescriptionReader.h b/reader/src/formats/pdf/PdfDescriptionReader.h deleted file mode 100644 index 004cdfa..0000000 --- a/reader/src/formats/pdf/PdfDescriptionReader.h +++ /dev/null @@ -1,40 +0,0 @@ -/* - * Copyright (C) 2004-2012 Geometer Plus <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#ifndef __PDFDESCRIPTIONREADER_H__ -#define __PDFDESCRIPTIONREADER_H__ - -#include <string> - -class Book; - -class PdfDescriptionReader { - -public: - PdfDescriptionReader(Book &book); - ~PdfDescriptionReader(); - bool readMetaInfo(shared_ptr<ZLInputStream> stream); - -private: - Book &myBook; -}; - -inline PdfDescriptionReader::~PdfDescriptionReader() {} - -#endif /* __PDFDESCRIPTIONREADER_H__ */ diff --git a/reader/src/formats/pdf/PdfObject.cpp b/reader/src/formats/pdf/PdfObject.cpp deleted file mode 100644 index 374a618..0000000 --- a/reader/src/formats/pdf/PdfObject.cpp +++ /dev/null @@ -1,450 +0,0 @@ -/* - * Copyright (C) 2004-2012 Geometer Plus <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include <iostream> - -#include <ZLInputStream.h> -#include <ZLZDecompressor.h> - -#include "PdfObject.h" - -PdfObject::~PdfObject() { -} - -shared_ptr<PdfObject> PdfIntegerObject::integerObject(int value) { - if ((value < 0) || (value >= 256)) { - return new PdfIntegerObject(value); - } else { - static shared_ptr<PdfObject>* table = new shared_ptr<PdfObject>[256]; - if (table[value].isNull()) { - table[value] = new PdfIntegerObject(value); - } - return table[value]; - } -} - -PdfIntegerObject::PdfIntegerObject(int value) : myValue(value) { - std::cerr << "PdfIntegerObject " << value << "\n"; -} - -int PdfIntegerObject::value() const { - return myValue; -} - -PdfObject::Type PdfIntegerObject::type() const { - return INTEGER_NUMBER; -} - -shared_ptr<PdfObject> PdfBooleanObject::TRUE() { - static shared_ptr<PdfObject> value = new PdfBooleanObject(true); - return value; -} - -shared_ptr<PdfObject> PdfBooleanObject::FALSE() { - static shared_ptr<PdfObject> value = new PdfBooleanObject(false); - return value; -} - -PdfBooleanObject::PdfBooleanObject(bool value) : myValue(value) { - std::cerr << "PdfBooleanObject " << value << "\n"; -} - -bool PdfBooleanObject::value() const { - return myValue; -} - -PdfObject::Type PdfBooleanObject::type() const { - return BOOLEAN; -} - -PdfStringObject::PdfStringObject(const std::string &value) : myValue(value) { - std::cerr << "PdfStringObject " << value << "\n"; -} - -PdfObject::Type PdfStringObject::type() const { - return STRING; -} - -std::map<std::string,shared_ptr<PdfObject> > PdfNameObject::ourObjectMap; - -shared_ptr<PdfObject> PdfNameObject::nameObject(const std::string &id) { - // TODO: process escaped characters - std::map<std::string,shared_ptr<PdfObject> >::const_iterator it = ourObjectMap.find(id); - if (it != ourObjectMap.end()) { - return it->second; - } - std::cerr << "PdfNameObject " << id << "\n"; - shared_ptr<PdfObject> object = new PdfNameObject(); - ourObjectMap.insert(std::make_pair(id, object)); - return object; -} - -PdfNameObject::PdfNameObject() { -} - -PdfObject::Type PdfNameObject::type() const { - return NAME; -} - -PdfDictionaryObject::PdfDictionaryObject() { -} - -void PdfDictionaryObject::setObject(shared_ptr<PdfObject> id, shared_ptr<PdfObject> object) { - myMap[id] = object; -} - -shared_ptr<PdfObject> PdfDictionaryObject::operator[](shared_ptr<PdfObject> id) const { - std::map<shared_ptr<PdfObject>,shared_ptr<PdfObject> >::const_iterator it = myMap.find(id); - return (it != myMap.end()) ? it->second : 0; -} - -shared_ptr<PdfObject> PdfDictionaryObject::operator[](const std::string &id) const { - return operator[](PdfNameObject::nameObject(id)); -} - -PdfObject::Type PdfDictionaryObject::type() const { - return DICTIONARY; -} - -PdfArrayObject::PdfArrayObject() { -} - -void PdfArrayObject::addObject(shared_ptr<PdfObject> object) { - myVector.push_back(object); -} - -shared_ptr<PdfObject> PdfArrayObject::popLast() { - if (!myVector.empty()) { - shared_ptr<PdfObject> last = myVector.back(); - myVector.pop_back(); - return last; - } - return 0; -} - -int PdfArrayObject::size() const { - return myVector.size(); -} - -shared_ptr<PdfObject> PdfArrayObject::operator[](int index) const { - return myVector[index]; -} - -PdfObject::Type PdfArrayObject::type() const { - return ARRAY; -} - -PdfObjectReference::PdfObjectReference(int number, int generation) : myNumber(number), myGeneration(generation) { -} - -int PdfObjectReference::number() const { - return myNumber; -} - -int PdfObjectReference::generation() const { - return myGeneration; -} - -PdfObject::Type PdfObjectReference::type() const { - return REFERENCE; -} - -PdfStreamObject::PdfStreamObject(const PdfDictionaryObject &dictionary, ZLInputStream &dataStream) { - char ch; - skipWhiteSpaces(dataStream, ch); - - shared_ptr<PdfObject> length = dictionary["Length"]; - if (!length.isNull() && (length->type() == INTEGER_NUMBER)) { - int value = ((PdfIntegerObject&)*length).value(); - if (value > 0) { - shared_ptr<PdfObject> filter = dictionary["Filter"]; - if (filter == PdfNameObject::nameObject("FlateDecode")) { - dataStream.seek(1, false); - ZLZDecompressor decompressor(value - 2); - char buffer[2048]; - while (true) { - std::size_t size = decompressor.decompress(dataStream, buffer, 2048); - if (size == 0) { - break; - } - myData.append(buffer, size); - } - std::cerr << myData << "\n"; - } else { - myData.append(value, '\0'); - myData[0] = ch; - dataStream.read((char*)myData.data() + 1, value - 1); - } - } - } - - /* - shared_ptr<PdfObject> filter = dictionary["Filter"]; - if (!filter.isNull()) { - switch (filter->type()) { - default: - break; - case NAME: - myFilters.push_back( - (filter == PdfNameObject::nameObject("FlateDecode")) ? - FLATE : UNKNOWN - ); - break; - case ARRAY: - { - // TODO: process filters array - } - } - } - */ -} - -PdfObject::Type PdfStreamObject::type() const { - return STREAM; -} - -enum PdfCharacterType { - PDF_CHAR_REGULAR, - PDF_CHAR_WHITESPACE, - PDF_CHAR_DELIMITER -}; - -static PdfCharacterType *PdfCharacterTypeTable = 0; - -void PdfObject::skipWhiteSpaces(ZLInputStream &stream, char &ch) { - if (PdfCharacterTypeTable == 0) { - PdfCharacterTypeTable = new PdfCharacterType[256]; - for (int i = 0; i < 256; ++i) { - PdfCharacterTypeTable[i] = PDF_CHAR_REGULAR; - } - PdfCharacterTypeTable[0] = PDF_CHAR_WHITESPACE; - PdfCharacterTypeTable[9] = PDF_CHAR_WHITESPACE; - PdfCharacterTypeTable[10] = PDF_CHAR_WHITESPACE; - PdfCharacterTypeTable[12] = PDF_CHAR_WHITESPACE; - PdfCharacterTypeTable[13] = PDF_CHAR_WHITESPACE; - PdfCharacterTypeTable[32] = PDF_CHAR_WHITESPACE; - PdfCharacterTypeTable['('] = PDF_CHAR_DELIMITER; - PdfCharacterTypeTable[')'] = PDF_CHAR_DELIMITER; - PdfCharacterTypeTable['<'] = PDF_CHAR_DELIMITER; - PdfCharacterTypeTable['>'] = PDF_CHAR_DELIMITER; - PdfCharacterTypeTable['['] = PDF_CHAR_DELIMITER; - PdfCharacterTypeTable[']'] = PDF_CHAR_DELIMITER; - PdfCharacterTypeTable['{'] = PDF_CHAR_DELIMITER; - PdfCharacterTypeTable['}'] = PDF_CHAR_DELIMITER; - PdfCharacterTypeTable['/'] = PDF_CHAR_DELIMITER; - PdfCharacterTypeTable['%'] = PDF_CHAR_DELIMITER; - } - - while ((PdfCharacterTypeTable[(unsigned char)ch] == PDF_CHAR_WHITESPACE) && - (stream.read(&ch, 1) == 1)) { - } -} - -void PdfObject::readToken(ZLInputStream &stream, std::string &buffer, char &ch) { - buffer.clear(); - skipWhiteSpaces(stream, ch); - while (PdfCharacterTypeTable[(unsigned char)ch] == PDF_CHAR_REGULAR) { - buffer += ch; - if (stream.read(&ch, 1) != 1) { - break; - } - } -} - -shared_ptr<PdfObject> PdfObject::readObject(ZLInputStream &stream, char &ch) { - skipWhiteSpaces(stream, ch); - - PdfObject::Type type = PdfObject::NIL; - bool hexString = false; - switch (ch) { - case '(': - hexString = false; - type = PdfObject::STRING; - break; - case '<': - stream.read(&ch, 1); - hexString = true; - type = (ch == '<') ? PdfObject::DICTIONARY : PdfObject::STRING; - break; - case '>': // end of dictionary - stream.read(&ch, 1); - if (ch == '>') { - stream.read(&ch, 1); - } - return 0; - case '/': - type = PdfObject::NAME; - break; - case '[': - type = PdfObject::ARRAY; - break; - case ']': // end of array - stream.read(&ch, 1); - return 0; - case '+': - case '-': - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - type = PdfObject::INTEGER_NUMBER; - break; - case 't': - case 'f': - type = PdfObject::BOOLEAN; - break; - } - - switch (type) { - case PdfObject::DICTIONARY: - { - ch = 0; - shared_ptr<PdfObject> name; - shared_ptr<PdfObject> value; - shared_ptr<PdfObject> next; - PdfDictionaryObject *dictionary = new PdfDictionaryObject(); - while (true) { - next = readObject(stream, ch); - if (next.isNull()) { - break; - } - PdfObject::Type oType = next->type(); - if (oType == PdfObject::NAME) { - name = next; - value = readObject(stream, ch); - if (value.isNull()) { - break; - } - dictionary->setObject(name, value); - } else if (oType == PdfObject::INTEGER_NUMBER) { - if (value.isNull() || (value->type() != PdfObject::INTEGER_NUMBER)) { - break; - } - skipWhiteSpaces(stream, ch); - if (ch != 'R') { - break; - } - const int number = ((PdfIntegerObject&)*value).value(); - const int generation = ((PdfIntegerObject&)*next).value(); - dictionary->setObject(name, new PdfObjectReference(number, generation)); - value = 0; - ch = 0; - } else { - break; - } - } - std::string token; - readToken(stream, token, ch); - if (token == "stream") { - shared_ptr<PdfObject> d = dictionary; - return new PdfStreamObject(*dictionary, stream); - } else { - return dictionary; - } - } - case PdfObject::NAME: - { - std::string name; - stream.read(&ch, 1); - readToken(stream, name, ch); - return PdfNameObject::nameObject(name); - } - case PdfObject::BOOLEAN: - { - std::string name; - readToken(stream, name, ch); - return (name == "true") ? PdfBooleanObject::TRUE() : PdfBooleanObject::FALSE(); - } - case PdfObject::INTEGER_NUMBER: - { - std::string str; - if ((ch == '+') || (ch == '-')) { - str += ch; - stream.read(&ch, 1); - } - while ((ch >= '0') && (ch <= '9')) { - str += ch; - stream.read(&ch, 1); - } - return PdfIntegerObject::integerObject(atoi(str.c_str())); - } - case PdfObject::STRING: - { - std::string value; - if (hexString) { - char num[3]; - num[2] = '\0'; - while (ch != '>') { - num[0] = ch; - stream.read(num + 1, 1); - value += (char)strtol(num, 0, 16); - stream.read(&ch, 1); - } - ch = 0; - } else { - // TODO: implement - } - return new PdfStringObject(value); - } - case PdfObject::ARRAY: - { - PdfArrayObject *array = new PdfArrayObject(); - ch = 0; - while (true) { - skipWhiteSpaces(stream, ch); - if (ch == 'R') { - const int size = array->size(); - if ((size >= 2) && - ((*array)[size - 1]->type() == PdfObject::INTEGER_NUMBER) && - ((*array)[size - 2]->type() == PdfObject::INTEGER_NUMBER)) { - const int generation = ((PdfIntegerObject&)*array->popLast()).value(); - const int number = ((PdfIntegerObject&)*array->popLast()).value(); - array->addObject(new PdfObjectReference(number, generation)); - ch = 0; - } - } - shared_ptr<PdfObject> object = readObject(stream, ch); - if (object.isNull()) { - break; - } - array->addObject(object); - } - std::cerr << "PdfArrayObject " << array->size() << "\n"; - return array; - } - default: - break; - } - - std::string buffer; - stream.read(&ch, 1); - while (PdfCharacterTypeTable[(unsigned char)ch] == PDF_CHAR_REGULAR) { - buffer += ch; - stream.read(&ch, 1); - } - std::cerr << "buffer = " << buffer << "\n"; - - return 0; -} diff --git a/reader/src/formats/pdf/PdfObject.h b/reader/src/formats/pdf/PdfObject.h deleted file mode 100644 index 76b8528..0000000 --- a/reader/src/formats/pdf/PdfObject.h +++ /dev/null @@ -1,201 +0,0 @@ -/* - * Copyright (C) 2004-2012 Geometer Plus <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#ifndef __PDFOBJECT_H__ -#define __PDFOBJECT_H__ - -#include <string> -#include <vector> -#include <map> - -#include <shared_ptr.h> - -class ZLInputStream; - -class PdfObject { - -public: - static shared_ptr<PdfObject> readObject(ZLInputStream &stream, char &ch); - static void readToken(ZLInputStream &stream, std::string &buffer, char &ch); - -protected: - static void skipWhiteSpaces(ZLInputStream &stream, char &ch); - -public: - enum Type { - BOOLEAN, - INTEGER_NUMBER, - REAL_NUMBER, - STRING, - NAME, - ARRAY, - DICTIONARY, - STREAM, - NIL, - REFERENCE - }; - - virtual ~PdfObject(); - - virtual Type type() const = 0; -}; - -class PdfBooleanObject : public PdfObject { - -public: - static shared_ptr<PdfObject> TRUE(); - static shared_ptr<PdfObject> FALSE(); - -private: - PdfBooleanObject(bool value); - -public: - bool value() const; - -private: - Type type() const; - -private: - const bool myValue; -}; - -class PdfIntegerObject : public PdfObject { - -public: - static shared_ptr<PdfObject> integerObject(int value); - -private: - PdfIntegerObject(int value); - -public: - int value() const; - -private: - Type type() const; - -private: - const int myValue; -}; - -class PdfStringObject : public PdfObject { - -private: - PdfStringObject(const std::string &value); - -private: - Type type() const; - -private: - std::string myValue; - -friend shared_ptr<PdfObject> PdfObject::readObject(ZLInputStream &stream, char &ch); -}; - -class PdfNameObject : public PdfObject { - -public: - static shared_ptr<PdfObject> nameObject(const std::string &id); - -private: - static std::map<std::string,shared_ptr<PdfObject> > ourObjectMap; - -private: - PdfNameObject(); - -private: - Type type() const; -}; - -class PdfDictionaryObject : public PdfObject { - -private: - PdfDictionaryObject(); - void setObject(shared_ptr<PdfObject> id, shared_ptr<PdfObject> object); - -public: - shared_ptr<PdfObject> operator [] (shared_ptr<PdfObject> id) const; - shared_ptr<PdfObject> operator [] (const std::string &id) const; - -private: - Type type() const; - -private: - std::map<shared_ptr<PdfObject>,shared_ptr<PdfObject> > myMap; - -friend shared_ptr<PdfObject> PdfObject::readObject(ZLInputStream &stream, char &ch); -}; - -class PdfStreamObject : public PdfObject { - -private: - PdfStreamObject(const PdfDictionaryObject &dictionary, ZLInputStream &dataStream); - -private: - Type type() const; - -private: - std::string myData; - /* - enum EncodingType { - UNKNOWN, - FLATE, - }; - std::vector<EncodingType> myFilters; - */ - -friend shared_ptr<PdfObject> PdfObject::readObject(ZLInputStream &stream, char &ch); -}; - -class PdfArrayObject : public PdfObject { - -private: - PdfArrayObject(); - void addObject(shared_ptr<PdfObject> object); - shared_ptr<PdfObject> popLast(); - -public: - int size() const; - shared_ptr<PdfObject> operator [] (int index) const; - -private: - Type type() const; - -private: - std::vector<shared_ptr<PdfObject> > myVector; - -friend shared_ptr<PdfObject> PdfObject::readObject(ZLInputStream &stream, char &ch); -}; - -class PdfObjectReference : public PdfObject { - -public: - PdfObjectReference(int number, int generation); - - int number() const; - int generation() const; - -private: - Type type() const; - -private: - const int myNumber; - const int myGeneration; -}; - -#endif /* __PDFOBJECT_H__ */ diff --git a/reader/src/formats/pdf/PdfPlugin.cpp b/reader/src/formats/pdf/PdfPlugin.cpp deleted file mode 100644 index 06325d4..0000000 --- a/reader/src/formats/pdf/PdfPlugin.cpp +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright (C) 2004-2012 Geometer Plus <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include <ZLFile.h> -#include <ZLInputStream.h> - -#include "PdfPlugin.h" -#include "PdfDescriptionReader.h" -#include "PdfBookReader.h" -#include "../../library/Book.h" - -bool PdfPlugin::acceptsFile(const ZLFile &file) const { - return file.extension() == "pdf"; -} - -bool PdfPlugin::readMetaInfo(Book &book) const { - return PdfDescriptionReader(book).readMetaInfo(ZLFile(path).inputStream()); -} - -bool PdfPlugin::readLanguageAndEncoding(Book &book) const { - return true; -} - -bool PdfPlugin::readModel(BookModel &model) const { - return PdfBookReader(model).readBook(ZLFile(book.fileName()).inputStream()); -} diff --git a/reader/src/formats/pdf/PdfPlugin.h b/reader/src/formats/pdf/PdfPlugin.h deleted file mode 100644 index 9c330f6..0000000 --- a/reader/src/formats/pdf/PdfPlugin.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Copyright (C) 2004-2012 Geometer Plus <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#ifndef __PdfPLUGIN_H__ -#define __PdfPLUGIN_H__ - -#include "../FormatPlugin.h" - -class PdfPlugin : public FormatPlugin { - -public: - PdfPlugin(); - ~PdfPlugin(); - bool providesMetaInfo() const; - bool acceptsFile(const ZLFile &file) const; - bool readMetaInfo(Book &book) const; - bool readLanguageAndEncoding(Book &book) const; - bool readModel(BookModel &model) const; -}; - -inline PdfPlugin::PdfPlugin() {} -inline PdfPlugin::~PdfPlugin() {} -inline bool PdfPlugin::providesMetaInfo() const { return true; } - -#endif /* __PdfPLUGIN_H__ */ diff --git a/reader/src/formats/pdf/StringStream.cpp b/reader/src/formats/pdf/StringStream.cpp deleted file mode 100644 index b2369df..0000000 --- a/reader/src/formats/pdf/StringStream.cpp +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Copyright (C) 2008-2012 Geometer Plus <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include <algorithm> - -#include "StringStream.h" - -StringStream::StringStream(const std::string &data) : myData(data), myOffset(0) { -} - -bool StringStream::open() { - myOffset = 0; - return true; -} - -std::size_t StringStream::read(char *buffer, std::size_t maxSize) { - std::size_t size = std::min(maxSize, myData.length() - myOffset); - memcpy(buffer, myData.data() + myOffset, size); - myOffset += size; - return size; -} - -void StringStream::close() { -} - -void StringStream::seek(int offset, bool absoluteOffset) { - if (!absoluteOffset) { - offset += myOffset; - } - myOffset = std::min((std::size_t)std::max(0, offset), myData.length()); -} - -std::size_t StringStream::offset() const { - return myOffset; -} - -std::size_t StringStream::sizeOfOpened() { - return myData.length(); -} diff --git a/reader/src/formats/pdf/StringStream.h b/reader/src/formats/pdf/StringStream.h deleted file mode 100644 index f46c038..0000000 --- a/reader/src/formats/pdf/StringStream.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - * Copyright (C) 2008-2012 Geometer Plus <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#ifndef __STRINGSTREAM_H__ -#define __STRINGSTREAM_H__ - -#include <ZLInputStream.h> - -class StringStream : public ZLInputStream { - -public: - StringStream(const std::string &data); - -public: - bool open(); - std::size_t read(char *buffer, std::size_t maxSize); - void close(); - - void seek(int offset, bool absoluteOffset); - std::size_t offset() const; - std::size_t sizeOfOpened(); - -private: - const std::string &myData; - std::size_t myOffset; -}; - -#endif /* __STRINGSTREAM_H__ */ |